_=GML_ID:String,MATERIAL_ROLE:String,LITHOLOGY_URN:String
1=er.earthresourcematerial.1.Clay|primary|urn:cgi:classifier:NTGS:LithologyCode:Clay
2=er.earthresourcematerial.1745.Muscovite|host rock|urn:cgi:classifier:NTGS:LithologyCode:Muscovite